2020 BMW X3 2.0 20d M Sport

Price: £24,950. Fair price: £126 (under 1%) under the AskCar estimate of £25,076, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,076 priced BMW X3 adverts on AskCar as of 5 November 2026.

AskCar lists 3,143 used BMW X3 from 1,230 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 2.0 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2020
  • Mileage: 35,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 144 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 M Sport has covered 35,000 miles. The dealer is asking £24,950, which is £126 below the AskCar estimate of £25,076. To work out the AskCar estimate, we analyse UK dealer adverts for 3,076 BMW X3 cars across different ages and specifications. We first recorded this car for sale 22 days ago. The advertised mileage is lower than the latest MOT reading of 35,617 miles. Ask the dealer to explain. Its recorded MOT is valid until 19 July 2027. It is for sale at The Car Company in Belfast. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £126 (under 1%) under the AskCar estimate of £25,076.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2020 BMW X3 with the 2.0 diesel engine is typically advertised at £22,200: the median of the 100 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW X3 has been on sale for at least 22 days.

Price history

AskCar first saw this advert on 14 October 2026 at £24,950. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 19 July 2027.

It has had 3 MOTs. The latest, on 17 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,617 miles. The advert says 35,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 17,000 miles lower than the median mileage of a 2020 BMW X3 on AskCar.

Similar cars

69 other 2020 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,499 to £28,295, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 36,043 miles. Price: £24,500, £450 less than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-75e8b10aa010
  • 2020 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 36,921 miles. Price: £24,395, £555 less than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-6659ef02192a
  • 2020 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 33,000 miles. Price: £22,499, £2,451 less than this car. Dealer: Hendy Car Store in Exeter. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-3e4917e12109
  • The nearest: 2020 BMW X3 M Sport, 2.0 diesel SUV, white, 1 miles from this car. Mileage: 41,235 miles. Price: £24,995, the same price as this car. Dealer: Crawford Clarke Cars in Belfast. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-8471795c72c6

Browse all BMW X3 cars for sale · 2020 BMW X3 price guide

More like this

Photos

11 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.